126610408 has 8 divisors (see below), whose sum is σ = 237394530. Its totient is φ = 63305200.

The previous prime is 126610403. The next prime is 126610427. The reversal of 126610408 is 804016621.

It can be written as a sum of positive squares in only one way, i.e., 87946884 + 38663524 = 9378^2 + 6218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (126610403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7913143 + ... + 7913158.

Almost surely, 2^126610408 is an apocalyptic number.

It is an amenable number.

126610408 is a deficient number, since it is larger than the sum of its proper divisors (110784122).

126610408 is a wasteful number, since it uses less digits than its factorization.

126610408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15826307 (or 15826303 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 126610408 is about 11252.1290429856. The cubic root of 126610408 is about 502.1380550761.

The spelling of 126610408 in words is "one hundred twenty-six million, six hundred ten thousand, four hundred eight".